SECTION III - BASIC MACHINE OPERATION
3.7 PRACTICES TO IMPROVE EFFICIENCY
WARNING • Swinging on a slope may cause the machine to become unstable or unbalanced. Do not swing down side of the slope with a full bucket. When working in slopes, build a level area for the machine to operate safely. • Make certain the swing area of the machine is clear of people and obstacles before swinging.
A. DIGGING 1. Use Arm In Action Operate the bucket at shallow depth, use the arm mainly, and use the bucket as required, in action to fill the bucket. Setting the bucket too deep will decrease the machine’s efficiency. 2. Maximum Digging Force Position The attachment will provide maximum digging force when the arm and boom are at 90˚-110˚ of each other. Operate slowly to get maximum digging force. 3. Bucket Teeth Direction Always point bucket teeth in the direction the machine will be digging, and operate the bucket at shallow depth, to reduce digging resistance and the possibility of bucket teeth damage. 4. Operate Boom Smoothly Always begin and end boom operation slowly with smooth, careful movement of the control lever. Do not perform sudden starts and stops, especially sudden stops during dropping, of the boom as this creates unnecessary stress on the machine and its components.
5. Cleaning Sand & Soil from Bucket Operate arm to a near level position and bring the bucket to a dumping position. If sand and soil do not fall out, move the bucket lever right and left a few times.
NOTE: Other than showing in the below sketches, wider range of the machine application is obtainable by means of utilizing the optional attachments. Refer to the section “MAINTENANCE” for changing the bucket.
80
SHALLOW
DIGGING DIRECTION
